Ollama up to 0.1.45 HTTP Request memory corruption

Summaryinfo

A vulnerability has been found in Ollama up to 0.1.45 and classified as critical. This issue affects some unknown processing of the component HTTP Request Handler. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2024-39720. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Ollama up to 0.1.45 and classified as critical. Affected by this vulnerability is an unknown part of the component HTTP Request Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Ollama before 0.1.46. An attacker can use two HTTP requests to upload a malformed GGUF file containing just 4 bytes starting with the GGUF custom magic header. By leveraging a custom Modelfile that includes a FROM statement pointing to the attacker-controlled blob file, the attacker can crash the application through the CreateModel route, leading to a segmentation fault (signal SIGSEGV: segmentation violation).

The advisory is shared at github.com. This vulnerability is known as CVE-2024-39720 since 06/28/2024. The exploitation appears to be easy. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 210502 (Ollama < 0.1.46 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.1.46 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (210502). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• Ollama

Version

• 0.1.0
• 0.1.1
• 0.1.2
• 0.1.3
• 0.1.4
• 0.1.5
• 0.1.6
• 0.1.7
• 0.1.8
• 0.1.9
• 0.1.10
• 0.1.11
• 0.1.12
• 0.1.13
• 0.1.14
• 0.1.15
• 0.1.16
• 0.1.17
• 0.1.18
• 0.1.19
• 0.1.20
• 0.1.21
• 0.1.22
• 0.1.23
• 0.1.24
• 0.1.25
• 0.1.26
• 0.1.27
• 0.1.28
• 0.1.29
• 0.1.30
• 0.1.31
• 0.1.32
• 0.1.33
• 0.1.34
• 0.1.35
• 0.1.36
• 0.1.37
• 0.1.38
• 0.1.39
• 0.1.40
• 0.1.41
• 0.1.42
• 0.1.43
• 0.1.44
• 0.1.45

Website

• Product: https://github.com/ollama/ollama/

CPE 2.3info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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